US2461343A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Contacting gaseous fluids and solid particles
Assignee: Standard Oil Development Co
•
Filing: 1944-12-30
•
Granted: 1949-02-08
•
Expires: 1964-12-30
Abstract
No abstract record available.
Inventors
- 👤 Henry J Ogorzaly
- 👤 Jr Alexis Voorhies
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 08:55
CPC Classifications
B; B01; B01J; B01J8/00; B01J8/18; B01J8/24
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US2357901A
Cited
US2336017A
Cited
US2337684A
Cited
US2347682A
Cited
US2356697A
Cited
US2367694A
Cited
US2358888A
Cited
US2353731A
Cited
US2407371A
Cited
US2360622A
Cited
US2391944A
Cited
US2380760A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1952-02-08 | 1952-08-09 | 1953-02-08 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1956-02-08 | 1956-08-09 | 1957-02-08 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1960-02-08 | 1960-08-09 | 1961-02-08 | $7700.00 | Window Closed / Lapsed |